A Monograph of the Fresh-water Polyzoa: Including All the Known Species, Both British and ForeignRay Society, 1856 - 119 páginas |
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Página 48
... Huxley , " Observations upon the Anatomy and Physiology of Salpa and Pyrosoma , together with remarks on Doliolum and Appendicularia . " Phil . Trans . , ' 1851 . decided , and is a relation of great importance in 48 HOMOLOGIES .
... Huxley , " Observations upon the Anatomy and Physiology of Salpa and Pyrosoma , together with remarks on Doliolum and Appendicularia . " Phil . Trans . , ' 1851 . decided , and is a relation of great importance in 48 HOMOLOGIES .
Página 49
... importance in the present question . If we examine this tunic in Clavelina ( see figs . 6 , 7 , page 44 ) we shall find that it is continuous with the mantle at the respiratory and cloacal orifices , and becomes attached to the ...
... importance in the present question . If we examine this tunic in Clavelina ( see figs . 6 , 7 , page 44 ) we shall find that it is continuous with the mantle at the respiratory and cloacal orifices , and becomes attached to the ...
Página 50
... important change of relations , and which is necessarily connected with the difference in the arrangement of the other organs in the respective groups . In the Polyzoa , from their constant motions of retraction and exsertion , the ...
... important change of relations , and which is necessarily connected with the difference in the arrangement of the other organs in the respective groups . In the Polyzoa , from their constant motions of retraction and exsertion , the ...
Página 51
... important facts , and has defended it with more ingenuity than it has received from any other anatomist . * Imagining an ideal molluscan archetype , Mr. Huxley derives from this general plan all the special modifications presented by ...
... important facts , and has defended it with more ingenuity than it has received from any other anatomist . * Imagining an ideal molluscan archetype , Mr. Huxley derives from this general plan all the special modifications presented by ...
Página 53
... important homological relation . In confirmation of this view , he has further called attention to the resemblance between the parieto - vaginal muscles of the Polyzoa and the pedicle muscles of Terebratula , and has compared their ...
... important homological relation . In confirmation of this view , he has further called attention to the resemblance between the parieto - vaginal muscles of the Polyzoa and the pedicle muscles of Terebratula , and has compared their ...
Otras ediciones - Ver todas
A Monograph of the Fresh-water Polyzoa: Including All the Known ..., Tema 28 George James Allman Vista de fragmentos - 1856 |
A Monograph of the Fresh-Water Polyzoa, Including All the Known Species ... George James Allman Sin vista previa disponible - 2009 |
Términos y frases comunes
adherent Alcyonella Alcyonella fungosa Alcyonella stagnorum alimentary canal Allman anatomy animal annulus Ascidian attached become Beneden Bowerbankia Brachiopoda branches branchial sac Brit Brux campanulata cavity cell cilia cœnocium crescentic Cristatella Cristatella mucedo d'eau douce described Difflugia disc distinct Dumortier ectocyst embryo endocyst epistome exserted external fibres flabellum fluid fresh-water Polyzoa funiculus ganglion genera genus Gervais hæmal Hancock hippocrepian Hist homologous intestine invaginated l'Acad Lamarck layer Leidy Linnæus lophophore Lophopus crystallinus margin Mém membrane memoir Meyen mouth Müller Naisa naturalists observed œsophagus organ orifice Original figures ovary ovum Paludicella parieto-vaginal muscles peculiar Pedicellina perigastric space Plumatella repens Polype à Panache polypide Polyzoon portion posterior present Raspail respiratory retraction retractor retractor muscles Rösel seen septa side species specimens statoblasts stomach structure surface tentacles tentacula tentacular crown tentacular sheath thoracic chamber transparent transverse Trembley tubes Tubularia repens tunic Tunicata Urnatella walls Zooph Zoophytes